Repulpable pressure sensitive adhesive based on microspheres...

Details Repulpable pressure sensitive adhesive based on microspheres... Repulpable pressure sensitive adhesive based on microspheres...

C - Chemistry, Metallurgy

09

J

C09J 133/06 (2006.01) C09J 7/02 (2006.01) C08L 71/02 (2006.01)

Patent

CA 2232830

Pressure sensitive adhesive comprising a mixture of a plurality of water- insoluble, water-dispersible polymeric microspheres and at least one water- soluble plasticizing agent, wherein the average diameter of the microspheres is about below 50 micrometers, such that the pressure sensitive adhesive is uniquely compatible with the process of repulping. In particular, pressure sensitive adhesive useful for making repulpable articles such as office tape, splicing tapes, labels and similar products.

Cet adhésif sensible à la pression comprend un mélange de microsphères polymères non hydrosolubles, dispersables dans l'eau et d'au moins un agent plastifiant hydrosoluble, où le diamètre moyen des microsphères est inférieur à 50 micromètres environ, de façon que cet adhésif sensible à la pression soit exceptionnellement compatible avec un processus de retrituration. On décrit en particulier un adhésif sensible à la pression qui permet de fabriquer des articles retriturables tels que rubans adhésifs, rubans de raboutage, étiquettes et autres produits semblables.

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